ODM Geophysical Exploration Instrument 1KHz Resistivity Meter
2D Geophysical Exploration Instrument
Introducction
Geophysical exploration instrument, used to detect geological condition such as stratum lithology and geological structure by studying and observing changes in various geophysical fields.
Geophysical Instrument provide theories, methods and technologies for detecting the internal structure and structure of the earth, searching for energy, resources and environmental monitoring, and provide an important basis for disaster prediction
Application
The DZD-8 Geophysical exploration Equipment cover all functions of conventional resistivity / IP meter, 2D / 3D ERT system, rock sample tester and multi parameter water detector.
Geophysical exploration instrument, used to detect geological condition such as stratum lithology and geological structure by studying and observing changes in various geophysical fields.
Specification
| Index | Geological Surveys Resistivity Meter |
| Receiver | Full waveform record of current and potential |
| Measuring voltage range | ±40V 32 A/D |
| Measuring voltage resolution | 5nV |
| Measuring voltage accuracy |
Voltage >1mV, accuracy ≤0.1%, voltage ≤1mV, accuracy±1uV |
| Apparent polarizability accuracy | Fs. error≤±0.2% |
| Measuring current range | 0 -6000 mA(32 A/D) |
| Measuring current resolution | 10nA |
| Measuring current accuracy |
When Ip≥10mA,±0.1%, when Ip<10mA,accuracy ±2uA |
| Sample frequency | 1KHz |
| Input impedance | ≥50MΩ |
| Suppression of 50Hz power frequency interference | >120dB |
| SP compensation | ±40V Full range real-time automatic tracking digital compensation |
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